How do you super-cool a mirror? Call Marshall Space Flight Center - al.com (blog)
 al.com (blog) | How do you super-cool a mirror? Call Marshall Space Flight Center al.com (blog) HUNTSVILLE, AL - How do you make sure your space telescope mirrors shrink to the precise shape needed in the cold vacuum of deep space? ... New Space Telescope Mirrors Get Frosty Treatment Six New JWST Mirrors Pass Cryogenic Testing Praise for Webb |
